ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,458, issued on March 17, was assigned to The Industry & Academic Cooperation in Chungnam National University (IAC) (Daejeon, South Korea).

"Luminescent nanoparticles and method for preparing same" was invented by Jihoon Choi (Daejeon, South Korea) and Min-Gi Jeon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed are luminescent nanoparticles and a method of preparing the same. The luminescent nanoparticles include a core-shell composite and a polymer brush grafted on the surface of the composite, in which the composite is composed of a core containing porous silica nanoparticles and CsPbX3 (X is a halogen) perovskite nan...